Everyone loves to play: adults and children, only games differ with age. In our era of the Internet, the gaming space has overwhelmed users, and some have immersed themselves in it so much that they do not distinguish virtuality from reality. In the Mystery Game, you will become a private detective looking for a missing person. His name is Adam and he is the creator of the recently sensational game called "Mysterious Land". Its purpose is to search for hidden treasures. It seems like a harmless toy, but several players disappeared without a trace after participating in it, and now the creator himself has disappeared. The police have run amok, and Adam's relatives have asked you to join the investigation. To begin with, it would be nice to inspect the house of the famous author, perhaps there is a clue to his disappearance in the Mystery Game.